How Much Does a Septic Tank Cost? A Guide To Septic Systems

Cardio Septic System Understanding Septic System Repairs

Convert to a Cardio Septic System in the event you’re dealing with a whole alternative scale back your septic system price. Learn to cope with this costly and disturbing scenario. Opposite to what you will have been informed, there may be an inexpensive various to changing your septic system when it fails. Aero-Stream’s® patented septic remediation system can restore a failed system with out expensive excavation and landscaping bills, in the end lowering your septic system price.


A brand new septic tank or septic system, both for brand spanking new building or an present property, will all the time price no less than a couple of thousand {dollars}. The nationwide common price {of professional} set up is about $5,828, with a typical vary of $3,138 to $8,518

The general price of the undertaking will depend on the kind of septic system you utilize, the dimensions of your property, and any further providers you could want to finish the set up. Although the everyday worth vary is an efficient set of tips, remember the fact that you would find yourself paying as little as $1,013 or as a lot as $18,163

Most significantly: DON’T try to put in your individual septic tank until you’re an expert plumber or different specialist skilled with septic techniques. Irrespective of how useful you’re, regardless of how a lot cash you suppose you’ll save, the danger of DIY on this case isn’t value it. 

Most important Picture Credit score: Andy Rogers / Flickr / CC BY-SA 2.0

Jordan Ardoin is a author, editor, and classical literature scholar primarily based in Colorado. When she is not studying or writing, she enjoys goofing off together with her cats and spending time in nature.


New Septic System Set up Prices

There are two most important forms of septic techniques, typical and various, with these two classes breaking down additional in accordance with how the system manages waste. Another or cardio septic system sometimes prices between $10,500 to $15,000 on common, whereas a traditional or anaerobic system ranges from $2,500 to $5,000 with most owners paying $3,500 on common.

 Septic System Types And Cost   Septic System Type

Septic System Varieties And Value
Septic System Kind Common Value
Typical Programs
Gravity or Anaerobic Programs $3,500
Strain Distribution Programs $7,000 – $10,000
Various Programs
Cardio Remedy Unit $10,500
Mound Septic System $15,000
Sand Filter Septic System $6,000 – $10,000

Conventional or Anaerobic Septic System Cost

Typical or Anaerobic Septic System Value

An anaerobic or typical septic system prices $3,500 to put in on common with most owners paying between $2,500 and $5,000. These are usually the quickest, best, and most cost-effective to put in, and the effluent travels by means of the septic tank and on into the drain discipline utilizing gravity.

Cardio Septic System Value

Cardio septic techniques usually price $10,500 to $15,000 on common. The cardio system breaks down the solids within the tank utilizing oxygen, which is completed utilizing a motor and a timer. The wastewater launched is cleaner than that produced by typical techniques and can be utilized for above-ground irrigation wants after it is sterilized. Extra advantages embody needing a drain discipline half the dimensions of that of a traditional system, which permits for extra placement choices in your property.

Cardio Septic System vs. Anaerobic

The primary distinction between cardio and anaerobic septic techniques are in how they deal with the effluent. Anaerobic or gravity techniques movement right into a drain discipline whereas cardio techniques deal with the effluent earlier than it reaches the drain discipline with oxygen, biofilm within the drain tiles, or sand filters.

Mound Septic System Value

The typical price for an above-ground mound septic system is $15,000, with annual upkeep costing as a lot as $500. It’s fairly attainable that the percolation check will come again saying that your soil isn’t of the appropriate drainage high quality to have an underground septic system, by which case you’ll have to put in an above-ground septic system at two to a few instances the price.

An engineered mound system is required when the soil sort on the house owner’s property is both too permeable or utterly impermeable, or if there may be solely a shallow cowl of soil over porous bedrock, or a excessive seasonal water desk current. The purification and cleansing of the wastewater is completed by means of a biofilm current in perforated drain tiles. This slows down the water whereas purifying it earlier than it reaches the water desk under. Because the title would possibly indicate, it’s going to end in a raised floor or mound in your property.

Sand Filter Septic System Value

A sand filter septic system prices between $6,000 and $10,000 to put in on common. The sand filter system is sort of a typical septic system, but it surely makes use of a pump to distribute the effluent to a filter system—sand housed in both a concrete or a PVC-lined field—a grid of small pipes. The sand filter permits for prefiltering of the water earlier than it reaches the drain discipline to guard the underlying water desk. Sand filters have been identified to have a useable lifetime of as much as 20 years in some places.

Strain Distribution Septic System Value

Strain distribution septic techniques vary in price from $7,000 to $10,000 on common. They solely require a distance of two’ between the underside of the system and the water desk under, they usually use a pump to get the effluent to achieve extra of the drain discipline that gravity can’t accomplish unaided.

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Septic vs Sewer Value

A septic system prices $3,100 to $9,600 to put in whereas connecting to a most important sewer line might be barely extra inexpensive, round $1,500 to $8,000. Consider this method as your individual private sewage system. A septic system treats wastewater on web site, with an underground tank and pipe system in your property. If your property plumbing system isn’t hooked as much as a septic system, it’s linked to the principle metropolis sewer line. Sewage connections carry the wastewater from your property and route it underground to a metropolis or county therapy plant.

SystemCost (Installed)Sewer$1,500 - $8,000Septic$3

SystemValue (Put in)
Sewer$1,500 – $8,000
Septic$3,100 – $9,600

Value of Septic Tank Set up by Location

Circumstances in your particular space similar to terrain, local weather, and soil sort will decide the kind of septic system you need to use and subsequently will have an effect on the general price of the undertaking. Seek the advice of an area professional to find out the perfect sort of septic system to your space and the common price. 

Labor prices differ by location, too. A house owner in a metropolitan space will probably pay far more for a brand new septic system than one in a rural space. We’ve estimated the nationwide common price of labor, however the worth you really pay might be considerably decrease or increased. Get no less than three estimates from native execs to your septic tank undertaking — or any house enchancment undertaking — to provide you a good suggestion of labor prices in your space. 

Getting it Mounted

Test the web sites of your native well being division and state environmental company to be taught what procedures you should observe for repairing or changing a septic system—you could even discover a record of licensed restore firms.

Name a pair and schedule visits. Or, you probably have a complicated therapy system with an annual upkeep contract, name the corporate that’s overseeing your system already.

Get Skilled Estimates for Your Septic Tank Value Close to You 

Because it’s so essential to have an expert are available in and design and set up your septic system, you need to get a couple of estimates round your native space. You can begin your search with the next hyperlinks to assist management your septic tank prices. 

Ceaselessly Requested Questions

How Many Years Does A Septic System Final?

A newly purchased and put in septic system ought to final for about 40 years if the tank high quality and set up course of are good and the system is maintained repeatedly.

How Typically Does A Septic Tank Want To Be Pumped?

Whereas septic tank techniques differ in capability to swimsuit the wastewater output from your property, they’re designed to be sufficiently big to retailer roughly three years’ value of sludge earlier than needing to be emptied.

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How lengthy does a septic tank final?

Septic tanks normally final 20 to 30 years, however some make it 40 years or extra. The longevity of a septic tank will depend on what they’re manufactured from and the way usually they’re cleaned.

Much less-popular metal septic tanks could rust out after 15 years, although many last more. Concrete tanks have longer life spans, however they are often delicate to acidic soil. Plastic and fiberglass tanks are much less prone to the weather, however structural harm is extra of a priority with these tanks.

The opposite key to longevity in septic tanks is upkeep. Common pumping and servicing assist guarantee your tank does its job for years to return.

Floor Preparation

Whereas the drain discipline might be costly, it is a vital a part of the system. One other essential factor is floor preparation. You have to to clear the land, dig up the earth, and transfer or take away it. This prices a median of about $1,000 for the standard property and a median septic system.

Septic Tank Supplies

One other issue influencing price is what your septic tank is made out of. Listed below are a number of the most typical supplies:


Concrete tanks are the commonest sort of septic tank as a result of they’re sturdy. Correctly maintained, they’ll final 20 to 30 years. Nevertheless, concrete could crack over time. Reinforcing the concrete with rebar helps enhance its energy beneath stress. Set up is tougher, and in depth tools is required due to its weight. In accordance with HomeGuide, the price for an average-sized concrete tank is between $700 and $2,000 (CAD 900 to CAD 2,600).


Fiberglass would not weaken when used underground, and it’s nonporous, so it will not appeal to algae progress. Set up is less complicated as a result of the tank is gentle. Not like concrete, it will not develop or contract, so you do not have to fret about cracking. The typical fiberglass tank prices $1,600 to $2,000 (CAD 2,000 to CAD 2,600).


Plastic tanks are gentle and simple to put in. They’re additionally fairly sturdy. Relying on the sort, plastic tanks price $800 to $2,000 (CAD 1,000 to CAD 2,600), on common.


Regardless of metal’s energy and sturdiness, septic tanks manufactured from metal can rust and collapse if not correctly cleaned. Consequently, some native authorities have elevated laws to discourage their use. You will normally discover them in areas the place the system already existed. If you will get one put in, they price $500 to $2,500 (CAD 650 to CAD 3,200), in accordance with Remodeling Expense.

Why you want a brand new septic tank

AXL/Shutterstock AXL/Shutterstock

There are numerous explanation why you would possibly need to substitute a septic tank. These start with a pure lifespan calculation of the present system, however this is not the one issue at play relating to changing your wastewater therapy system.

A broken tank ought to be repaired or changed instantly

In case your septic tank has been broken or exhibits a number of the telltale indicators of leaks or different seepage points, then inspecting the system ought to be your first precedence. Aqua Test Inc. notes {that a} broken tank might be detrimental to the encompassing ecosystem of your garden, and one of the best ways to catch these points earlier than they become a big downside is to verify your tank for harm each 5 years.

If the tank is broken past restore, then a right away alternative is solely mandatory. Identical to damaged home windows, a leaking roof, or cracks within the basis, the septic tank is a characteristic of the house that may’t be pushed down the highway for alternative as soon as the time has come.

Your septic capability wants could change over time

For those who’ve just lately renovated your property to incorporate an in-law suite, added bed room, or every other enlargement to match the wants of a rising household, you may additionally require a bigger septic tank to maintain tempo together with your wastewater necessities. Aqua Check Inc. notes {that a} 900 or 1,000-gallon tank is often acceptable for the standard structure that helps one to a few bedrooms. This equates to about 500 gallons of water used per day.

Alternatively, a five-bedroom house averages about 900 gallons of water utilization every day, leading to a bigger tank capability requirement. For those who’ve added new residing house to help an in-law or every other new addition to the property, upgrading from a smaller tank to 1 that holds 1,500 gallons will assist help the continued way of life and luxury that you have come to count on from your property.

Septic Tank Value: Alternative Components

As with every mechanical system, points are sure to come up. Septic tanks which are correctly cleaned and maintained can final a median of 20 to 40 years. Whereas a number of the issues with septic tank techniques are straightforward to unravel, others would require vital help from an expert. From baffles to tank lids, these are the commonest components of a septic tank which will have to be changed or repaired.

Baffle Alternative

Baffles are designed to assist forestall scum from clogging inlets and pipes. Baffles that fail or get clogged are a typical difficulty, and changing them is normally less expensive than changing your entire tank. Alternative prices vary between $300 and $500 together with labor.

Septic Tank Pump Alternative

For septic tanks that require a pump to push the effluent from the tank to the drain discipline, it’s attainable that the pump could fail to do the job correctly. The typical price to interchange a failed pump ranges between $800 and $1,400 together with labor.


Tank Lid Alternative

A damaged or rusted lid is a minor restore that prices between $30 and $70 earlier than labor. Steel lids are the simplest to interchange if they’ve rusted over, whereas a concrete lid could require some particular tools to take away and set up the brand new lid.

Septic Tank Filter Alternative

Changing a septic tank filter is the commonest difficulty for most owners. The price to have a alternative filter put in on a septic tank averages between $230 and $280.

Septic Drain Subject Alternative

If a septic tank leach discipline or drain discipline turns into oversaturated, sewage can again up into the house. The typical price to dig out the prevailing drain discipline and set up a brand new one runs $7,000.

What’s a Septic System, and How Does it Work?

A septic system is an underground wastewater therapy construction most frequently used when a municipal sewer system isn’t out there. They’re generally present in rural areas moderately than cities.

A typical septic system consists of a septic tank, a distribution field, and a leach discipline. A leach discipline can also be referred to as a drain discipline or soil absorption discipline. A septic tank will assist digest natural matter and separates floatable matter similar to grease, oils, and solids from the wastewater.

The system discharges the liquid from the septic tanks into perforated pipes buried in a leech discipline, designed to launch the effluent into the soil slowly.

Though the primary septic tanks have been in use because the late 1800s, they didn’t turn out to be fashionable till the Nineteen Sixties. Up till that point, a cesspool was frequent in most properties.

Septic Tank Restore Prices

It’s attainable your whole septic tank doesn’t have to be changed, only a particular half. Repairs and alternative components can price far lower than a full system alternative.

Drain Subject

Drain fields can overload and flood, inflicting a backup of sewage in bogs and sinks. Drain or leach discipline replacements price $1,000 to $5,000 (CAD 1,300 to CAD 6,500), in accordance with information from Fixr.

Tank Pump

Often, a alternative septic tank pump prices $250 to $1,500 (CAD 320 to CAD 1,900).

Tank Filter

The tank filter is the commonest alternative achieved by owners. It normally prices $200 to $300 (CAD 260 to CAD 390)

Tank Lid

Over time, concrete covers could crack, and metal lids could rust. You possibly can sometimes substitute a septic tank lid by yourself for $150 to $500 (CAD 190 to CAD 650). It prices a bit extra to have it changed by an expert.

Tank Baffle

Baffle directs wastewater by means of the septic tank. Anticipate to pay $300 to $900 (CAD 390 to CAD 1,160) to restore a tank baffle.

Put together for Your Septic Tank Set up

To make sure septic tank set up goes easily, listed below are a couple of ideas to remember.

Obtain A number of Estimates

Earlier than any excavation or signed paperwork, obtain estimates from licensed septic tank installers and browse evaluations about every firm utilizing trusted, third-party shopper evaluations. Make sure the contractor you choose holds the right insurance coverage and licensing and consists of mandatory preparations like excavation and drain discipline testing of their estimate.

Check the Soil and Get hold of a Allow

Septic techniques depend on permeable soil surrounding the tank to soak up and naturally deal with liquid residue in order that it doesn’t contaminate runoff water or leak into the water desk. This space is named the drain or leach discipline.

Earlier than putting in a septic tank, you’re legally obligated to acquire a percolation or “perc” check. This check confirms the soil meets necessities set by the town and native well being division. Often, the soil is required to have sufficient quantities of permeable contents like sand or gravel. As soon as the land passes the percolation check, you’ll be capable to receive a allow and begin the set up course of.

Be aware: If you wish to put a septic tank on a bit of land, it should cross the percolation check. We advocate ordering a check earlier than buying the land you need to use for residential functions.

Plan for Excavation

Heavy tools is required to excavate the massive quantity of land mandatory for a septic tank. For those who at the moment reside on the land, make certain to price range landscaping prices to repair any harm incurred throughout excavation.

For those who’re constructing a brand new house, schedule the excavation at a time when it’ll have minimal influence on the development course of. Sometimes, that is earlier than paving the driveways and sidewalks, however after the principle body of the house is constructed.


  • How a lot does it price to place in a brand new septic system?

The typical price of putting in a septic system is between $3,100 and $9,600, together with the system and set up. Anaerobic, gravity, and chamber techniques are on the decrease finish of that common, normally costing $1,500 to $5,000. Costlier techniques embody the mound system, cardio, and evapotranspiration and vary wherever from $10,000 to $20,000.

  • How a lot does it price to interchange a 1,000-gallon septic tank?

A 1,000-gallon tank normally prices between $800 and $2,000, however the worth varies relying on the tank materials. A concrete tank has the most cost effective materials price, between $800 and $1,250, however it’s the most costly to move and set up due to its weight. A plastic tank is barely costlier, $830 to $1,400, however its weight makes it less expensive to put in, and heavy equipment is normally not wanted. A fiberglass tank normally ranges between $1,600 and $2,000.

  • What number of years does a septic system final?

A septic system sometimes lasts between 15 and 40 years. That is normally decided by the standard of the tank and the drain discipline. A concrete tank is extraordinarily sturdy. When constructed nicely, it’s pretty indestructible and might simply final 40 years. The lifespan of a plastic tank is about 30 years. The drain discipline can be a limiting issue on the age of the system. The drain discipline sort doesn’t have an effect on the lifespan of the system. Nevertheless, the standard of the soil and drainage is a big issue. Not doing upkeep on the system is one solution to shorten the lifetime of any system.

  • What number of acres do you want for a septic system?

The smallest space a septic system will normally slot in is a ½-acre lot. Most owners with small tons choose to make use of an cardio system. Most techniques, similar to an anaerobic or chamber system, sometimes want no less than a one-acre lot. Mound techniques want probably the most house as a result of the mound itself is normally a minimal of 200 ft lengthy.

  • Can heavy rain trigger septic issues?

Heavy rain could cause issues for all sorts of techniques as a result of they’ll flood the drain discipline. If the drain discipline floods or the soil is saturated, the effluent septic water can’t successfully drain into the soil. This will trigger main backups within the tank and even flooding.

  • What number of a great deal of laundry a day are protected to do with a septic tank?

A small septic system for a two- or three-bedroom house can deal with about 5 a great deal of laundry per day. This doesn’t embody every other water getting used and is predicated on utilizing an outdated washer with a 1,000-gallon tank. The washer sort is a significant component as a result of older washers can use as much as 40 gallons per wash. New energy-efficient washers normally use 12 to fifteen gallons of water.

  • How a lot does a 1,500-gallon septic tank price?

​The typical 1,500-gallon tank prices $1,300 to $2,500. This capability is right for a big five- to seven-bedroom home round 3,000 sq.ft. or extra. Properties with 4, 5, or six bogs can profit from a 1,500-gallon tank, normally manufactured from fiberglass or concrete, though plastic tanks are additionally out there.